Fukou Da Share definition Flag Literally means: (Such Misfortune) in Japanese and it’s one of the popular catchphrases of the Light Novel protagonist, Kamijō Touma. *Something tragic happens* Say: Fukou Da! Fukou Da by no1esper October 17, 2018 0 0 Get merch Get the Fukou Da mug. Buy Now — $32.95 See more merch